os_macosx.m   [plain text]

/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/

/*
* os_macosx.m -- Mac specific things for Mac OS X.
*/

/* Suppress compiler warnings to non-C89 code. */
#if defined(__clang__) && defined(__STRICT_ANSI__)
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wc99-extensions"
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wdeclaration-after-statement"
#endif

/* Avoid a conflict for the definition of Boolean between Mac header files and
* X11 header files. */
#define NO_X11_INCLUDES

#include "vim.h"
#import <AppKit/AppKit.h>

/*
* Clipboard support for the console.
* Don't include this when building the GUI version, the functions in
* gui_mac.c are used then. TODO: remove those instead?
* But for MacVim we do need these ones.
*/
#if defined(FEAT_CLIPBOARD) && (!defined(FEAT_GUI_ENABLED) || defined(FEAT_GUI_MACVIM))

/* Used to identify clipboard data copied from Vim. */

NSString *VimPboardType = @"VimPboardType";

void
clip_mch_lose_selection(Clipboard_T *cbd UNUSED)
{
}

int
clip_mch_own_selection(Clipboard_T *cbd UNUSED)
{
/* This is called whenever there is a new selection and 'guioptions'
* contains the "a" flag (automatically copy selection). Return TRUE, else
* the "a" flag does nothing. Note that there is no concept of "ownership"
* of the clipboard in Mac OS X.
*/
return TRUE;
}

void
clip_mch_request_selection(Clipboard_T *cbd)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

NSPasteboard *pb = [NSPasteboard generalPasteboard];
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
NSArray *supportedTypes = [NSArray arrayWithObjects:VimPboardType,
NSPasteboardTypeString, nil];
#else
NSArray *supportedTypes = [NSArray arrayWithObjects:VimPboardType,
NSStringPboardType, nil];
#endif
NSString *bestType = [pb availableTypeFromArray:supportedTypes];
if (!bestType) goto releasepool;

int motion_type = MAUTO;
NSString *string = nil;

if ([bestType isEqual:VimPboardType])
{
/* This type should consist of an array with two objects:
* 1. motion type (NSNumber)
* 2. text (NSString)
* If this is not the case we fall back on using NSPasteboardTypeString.
*/
id plist = [pb propertyListForType:VimPboardType];
if ([plist isKindOfClass:[NSArray class]] && [plist count] == 2)
{
id obj = [plist objectAtIndex:1];
if ([obj isKindOfClass:[NSString class]])
{
motion_type = [[plist objectAtIndex:0] intValue];
string = obj;
}
}
}

if (!string)
{
/* Use NSPasteboardTypeString. The motion type is detected automatically.
*/
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
NSMutableString *mstring =
[[pb stringForType:NSPasteboardTypeString] mutableCopy];
#else
NSMutableString *mstring =
[[pb stringForType:NSStringPboardType] mutableCopy];
#endif
if (!mstring) goto releasepool;

/* Replace unrecognized end-of-line sequences with \x0a (line feed). */
NSRange range = { 0, [mstring length] };
unsigned n = [mstring replaceOccurrencesOfString:@"\x0d\x0a"
withString:@"\x0a" options:0
range:range];
if (0 == n)
{
n = [mstring replaceOccurrencesOfString:@"\x0d" withString:@"\x0a"
options:0 range:range];
}

string = mstring;
}

/* Default to MAUTO, uses MCHAR or MLINE depending on trailing NL. */
if (!(MCHAR == motion_type || MLINE == motion_type || MBLOCK == motion_type
|| MAUTO == motion_type))
motion_type = MAUTO;

char_u *str = (char_u*)[string UTF8String];
int len = [string lengthOfBytesUsingEncoding:NSUTF8StringEncoding];

if (input_conv.vc_type != CONV_NONE)
str = string_convert(&input_conv, str, &len);

if (str)
clip_yank_selection(motion_type, str, len, cbd);

if (input_conv.vc_type != CONV_NONE)
vim_free(str);

releasepool:
[pool release];
}

/*
* Send the current selection to the clipboard.
*/
void
clip_mch_set_selection(Clipboard_T *cbd)
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

/* If the '*' register isn't already filled in, fill it in now. */
cbd->owned = TRUE;
clip_get_selection(cbd);
cbd->owned = FALSE;

/* Get the text to put on the pasteboard. */
long_u llen = 0; char_u *str = 0;
int motion_type = clip_convert_selection(&str, &llen, cbd);
if (motion_type < 0)
goto releasepool;

/* TODO: Avoid overflow. */
int len = (int)llen;
if (output_conv.vc_type != CONV_NONE)
{
char_u *conv_str = string_convert(&output_conv, str, &len);
if (conv_str)
{
vim_free(str);
str = conv_str;
}
}

if (len > 0)
{
NSString *string = [[NSString alloc]
initWithBytes:str length:len encoding:NSUTF8StringEncoding];

/* See clip_mch_request_selection() for info on pasteboard types. */
NSPasteboard *pb = [NSPasteboard generalPasteboard];
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
NSArray *supportedTypes = [NSArray arrayWithObjects:VimPboardType,
NSPasteboardTypeString, nil];
#else
NSArray *supportedTypes = [NSArray arrayWithObjects:VimPboardType,
NSStringPboardType, nil];
#endif
[pb declareTypes:supportedTypes owner:nil];

NSNumber *motion = [NSNumber numberWithInt:motion_type];
NSArray *plist = [NSArray arrayWithObjects:motion, string, nil];
[pb setPropertyList:plist forType:VimPboardType];

#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
[pb setString:string forType:NSPasteboardTypeString];
#else
[pb setString:string forType:NSStringPboardType];
#endif

[string release];
}

vim_free(str);
releasepool:
[pool release];
}

#endif /* FEAT_CLIPBOARD */

/* Lift the compiler warning suppression. */
#if defined(__clang__) && defined(__STRICT_ANSI__)
# pragma clang diagnostic pop
# pragma clang diagnostic pop
#endif